/**
 * Copyright (C) 2016 Juno Inc., All Rights Reserved.
 */
package com.jyl.util.redis;

import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.Set;

import redis.clients.jedis.Jedis;
import redis.clients.jedis.JedisPool;
import redis.clients.jedis.JedisPoolConfig;
import redis.clients.jedis.JedisShardInfo;
import redis.clients.jedis.ShardedJedis;
import redis.clients.jedis.ShardedJedisPool;
import redis.clients.jedis.SortingParams;

/**
 *
 * @author Long, E-mail:jyl0401@163.com
 * @date 2016年8月4日 上午10:13:47
 */
public class RedisClient {
	
	private Jedis jedis;//非切片额客户端连接
    private JedisPool jedisPool;//非切片连接池
    private ShardedJedis shardedJedis;//切片额客户端连接
    private ShardedJedisPool shardedJedisPool;//切片连接池
    
    public RedisClient() { 
        initialPool(); 
        initialShardedPool(); 
        shardedJedis = shardedJedisPool.getResource();
        jedis = jedisPool.getResource(); 
    } 
 
    /**
     * 初始化非切片池
     */
    private void initialPool() 
    { 
        // 池基本配置 
        JedisPoolConfig config = new JedisPoolConfig(); 
        config.setMaxTotal(20);
        config.setMaxIdle(5); 
        config.setMaxWaitMillis(1000l); 
        config.setTestOnBorrow(false); 
        
        jedisPool = new JedisPool(config,"192.168.239.128",6379);
    }
    
    /** 
     * 初始化切片池 
     */ 
    private void initialShardedPool() 
    { 
        // 池基本配置 
        JedisPoolConfig config = new JedisPoolConfig(); 
        config.setMaxTotal(20);
        config.setMaxIdle(5); 
        config.setMaxWaitMillis(1000l); 
        config.setTestOnBorrow(false); 
        // slave链接 
        List<JedisShardInfo> shards = new ArrayList<JedisShardInfo>(); 
        shards.add(new JedisShardInfo("192.168.239.128", 6379, "master")); 

        // 构造池 
        shardedJedisPool = new ShardedJedisPool(config, shards); 
    }
    
    public static void main(String[] args) {
		new RedisClient().show();
	}

    public void show() {     
        KeyOperate(); 
        StringOperate(); 
        ListOperate(); 
        SetOperate();
        SortedSetOperate();
        HashOperate(); 
        jedisPool.close();
        shardedJedisPool.close();
    }
    
    private void KeyOperate(){
    	
    	System.out.println("======================key=========================="); 
        // 清空数据 
        System.out.println("清空库中所有数据："+jedis.flushDB());
        // 判断key否存在 
        System.out.println("判断key999键是否存在："+shardedJedis.exists("key999")); 
        System.out.println("新增key001,value001键值对："+shardedJedis.set("key001", "value001")); 
        System.out.println("判断key001是否存在："+shardedJedis.exists("key001"));
        // 输出系统中所有的key
        System.out.println("新增key002,value002键值对："+shardedJedis.set("key002", "value002"));
        System.out.println("系统中所有键如下：");
        Set<String> keys = jedis.keys("*"); 
        Iterator<String> it=keys.iterator() ;   
        while(it.hasNext()){   
            String key = it.next();   
            System.out.println(key);   
        }
        // 删除某个key,若key不存在，则忽略该命令。
        System.out.println("系统中删除key002: "+jedis.del("key002"));
        System.out.println("判断key002是否存在："+shardedJedis.exists("key002"));
        // 设置 key001的过期时间
        System.out.println("设置 key001的过期时间为5秒:"+jedis.expire("key001", 5));
        try{ 
            Thread.sleep(2000); 
        } 
        catch (InterruptedException e){ 
        } 
        // 查看某个key的剩余生存时间,单位【秒】.永久生存或者不存在的都返回-1
        System.out.println("查看key001的剩余生存时间："+jedis.ttl("key001"));
        // 移除某个key的生存时间
        System.out.println("移除key001的生存时间："+jedis.persist("key001"));
        System.out.println("查看key001的剩余生存时间："+jedis.ttl("key001"));
        // 查看key所储存的值的类型
        System.out.println("查看key所储存的值的类型："+jedis.type("key001"));
        /*
         * 一些其他方法：1、修改键名：jedis.rename("key6", "key0");
         *             2、将当前db的key移动到给定的db当中：jedis.move("foo", 1)
         */
    }
    
    private void StringOperate(){
    	
    	System.out.println("======================String_1=========================="); 
        // 清空数据 
        System.out.println("清空库中所有数据："+jedis.flushDB());
        
        System.out.println("=============增=============");
        jedis.set("key001","value001");
        jedis.set("key002","value002");
        jedis.set("key003","value003");
        System.out.println("已新增的3个键值对如下：");
        System.out.println(jedis.get("key001"));
        System.out.println(jedis.get("key002"));
        System.out.println(jedis.get("key003"));
        
        System.out.println("=============删=============");  
        System.out.println("删除key003键值对："+jedis.del("key003"));  
        System.out.println("获取key003键对应的值："+jedis.get("key003"));
        
        System.out.println("=============改=============");
        //1、直接覆盖原来的数据
        System.out.println("直接覆盖key001原来的数据："+jedis.set("key001","value001-update"));
        System.out.println("获取key001对应的新值："+jedis.get("key001"));
        //2、直接覆盖原来的数据  
        System.out.println("在key002原来值后面追加："+jedis.append("key002","+appendString"));
        System.out.println("获取key002对应的新值"+jedis.get("key002")); 
   
        System.out.println("=============增，删，查（多个）=============");
        /** 
         * mset,mget同时新增，修改，查询多个键值对 
         * 等价于：
         * jedis.set("name","ssss"); 
         * jedis.set("jarorwar","xxxx"); 
         */  
        System.out.println("一次性新增key201,key202,key203,key204及其对应值："+jedis.mset("key201","value201",
                        "key202","value202","key203","value203","key204","value204"));  
        System.out.println("一次性获取key201,key202,key203,key204各自对应的值："+
                        jedis.mget("key201","key202","key203","key204"));
        System.out.println("一次性删除key201,key202："+jedis.del(new String[]{"key201", "key202"}));
        System.out.println("一次性获取key201,key202,key203,key204各自对应的值："+
                jedis.mget("key201","key202","key203","key204")); 
        System.out.println();
                
            
        //jedis具备的功能shardedJedis中也可直接使用，下面测试一些前面没用过的方法
        System.out.println("======================String_2=========================="); 
        // 清空数据 
        System.out.println("清空库中所有数据："+jedis.flushDB());       
       
        System.out.println("=============新增键值对时防止覆盖原先值=============");
        System.out.println("原先key301不存在时，新增key301："+shardedJedis.setnx("key301", "value301"));
        System.out.println("原先key302不存在时，新增key302："+shardedJedis.setnx("key302", "value302"));
        System.out.println("当key302存在时，尝试新增key302："+shardedJedis.setnx("key302", "value302_new"));
        System.out.println("获取key301对应的值："+shardedJedis.get("key301"));
        System.out.println("获取key302对应的值："+shardedJedis.get("key302"));
        
        System.out.println("=============超过有效期键值对被删除=============");
        // 设置key的有效期，并存储数据 
        System.out.println("新增key303，并指定过期时间为2秒"+shardedJedis.setex("key303", 2, "key303-2second")); 
        System.out.println("获取key303对应的值："+shardedJedis.get("key303")); 
        try{ 
            Thread.sleep(3000); 
        } 
        catch (InterruptedException e){ 
        } 
        System.out.println("3秒之后，获取key303对应的值："+shardedJedis.get("key303")); 
        
        System.out.println("=============获取原值，更新为新值一步完成=============");
        System.out.println("key302原值："+shardedJedis.getSet("key302", "value302-after-getset"));
        System.out.println("key302新值："+shardedJedis.get("key302"));
        
        System.out.println("=============获取子串=============");
        System.out.println("获取key302对应值中的子串："+shardedJedis.getrange("key302", 5, 7));   
    	
    }

    private void ListOperate(){
    	
    	System.out.println("======================list=========================="); 
        // 清空数据 
        System.out.println("清空库中所有数据："+jedis.flushDB()); 

        System.out.println("=============增=============");
        shardedJedis.lpush("stringlists", "vector"); 
        shardedJedis.lpush("stringlists", "ArrayList"); 
        shardedJedis.lpush("stringlists", "vector");
        shardedJedis.lpush("stringlists", "vector");
        shardedJedis.lpush("stringlists", "LinkedList");
        shardedJedis.lpush("stringlists", "MapList");
        shardedJedis.lpush("stringlists", "SerialList");
        shardedJedis.lpush("stringlists", "HashList");
        shardedJedis.lpush("numberlists", "3");
        shardedJedis.lpush("numberlists", "1");
        shardedJedis.lpush("numberlists", "5");
        shardedJedis.lpush("numberlists", "2");
        System.out.println("所有元素-stringlists："+shardedJedis.lrange("stringlists", 0, -1));
        System.out.println("所有元素-numberlists："+shardedJedis.lrange("numberlists", 0, -1));
        
        System.out.println("=============删=============");
        // 删除列表指定的值 ，第二个参数为删除的个数（有重复时），后add进去的值先被删，类似于出栈
        System.out.println("成功删除指定元素个数-stringlists："+shardedJedis.lrem("stringlists", 2, "vector")); 
        System.out.println("删除指定元素之后-stringlists："+shardedJedis.lrange("stringlists", 0, -1));
        // 删除区间以外的数据 
        System.out.println("删除下标0-3区间之外的元素："+shardedJedis.ltrim("stringlists", 0, 3));
        System.out.println("删除指定区间之外元素后-stringlists："+shardedJedis.lrange("stringlists", 0, -1));
        // 列表元素出栈 
        System.out.println("出栈元素："+shardedJedis.lpop("stringlists")); 
        System.out.println("元素出栈后-stringlists："+shardedJedis.lrange("stringlists", 0, -1));
        
        System.out.println("=============改=============");
        // 修改列表中指定下标的值 
        shardedJedis.lset("stringlists", 0, "hello list!"); 
        System.out.println("下标为0的值修改后-stringlists："+shardedJedis.lrange("stringlists", 0, -1));
        System.out.println("=============查=============");
        // 数组长度 
        System.out.println("长度-stringlists："+shardedJedis.llen("stringlists"));
        System.out.println("长度-numberlists："+shardedJedis.llen("numberlists"));
        // 排序 
        /*
         * list中存字符串时必须指定参数为alpha，如果不使用SortingParams，而是直接使用sort("list")，
         * 会出现"ERR One or more scores can't be converted into double"
         */
        SortingParams sortingParameters = new SortingParams();
        sortingParameters.alpha();
        sortingParameters.limit(0, 3);
        System.out.println("返回排序后的结果-stringlists："+shardedJedis.sort("stringlists",sortingParameters)); 
        System.out.println("返回排序后的结果-numberlists："+shardedJedis.sort("numberlists"));
        // 子串：  start为元素下标，end也为元素下标；-1代表倒数一个元素，-2代表倒数第二个元素
        System.out.println("子串-第二个开始到结束："+shardedJedis.lrange("stringlists", 1, -1));
        // 获取列表指定下标的值 
        System.out.println("获取下标为2的元素："+shardedJedis.lindex("stringlists", 2)+"\n");
    }
    
    private void SetOperate(){
    	
    	System.out.println("======================set=========================="); 
        // 清空数据 
        System.out.println("清空库中所有数据："+jedis.flushDB());
        
        System.out.println("=============增=============");
        System.out.println("向sets集合中加入元素element001："+jedis.sadd("sets", "element001")); 
        System.out.println("向sets集合中加入元素element002："+jedis.sadd("sets", "element002")); 
        System.out.println("向sets集合中加入元素element003："+jedis.sadd("sets", "element003"));
        System.out.println("向sets集合中加入元素element004："+jedis.sadd("sets", "element004"));
        System.out.println("查看sets集合中的所有元素:"+jedis.smembers("sets")); 
        System.out.println();
        
        System.out.println("=============删=============");
        System.out.println("集合sets中删除元素element003："+jedis.srem("sets", "element003"));
        System.out.println("查看sets集合中的所有元素:"+jedis.smembers("sets"));
        /*System.out.println("sets集合中任意位置的元素出栈："+jedis.spop("sets"));//注：出栈元素位置居然不定？--无实际意义
        System.out.println("查看sets集合中的所有元素:"+jedis.smembers("sets"));*/
        System.out.println();
        
        System.out.println("=============改=============");
        System.out.println();
        
        System.out.println("=============查=============");
        System.out.println("判断element001是否在集合sets中："+jedis.sismember("sets", "element001"));
        System.out.println("循环查询获取sets中的每个元素：");
        Set<String> set = jedis.smembers("sets");   
        Iterator<String> it=set.iterator() ;   
        while(it.hasNext()){   
            Object obj=it.next();   
            System.out.println(obj);   
        }  
        System.out.println();
        
        System.out.println("=============集合运算=============");
        System.out.println("sets1中添加元素element001："+jedis.sadd("sets1", "element001")); 
        System.out.println("sets1中添加元素element002："+jedis.sadd("sets1", "element002")); 
        System.out.println("sets1中添加元素element003："+jedis.sadd("sets1", "element003")); 
        System.out.println("sets1中添加元素element002："+jedis.sadd("sets2", "element002")); 
        System.out.println("sets1中添加元素element003："+jedis.sadd("sets2", "element003")); 
        System.out.println("sets1中添加元素element004："+jedis.sadd("sets2", "element004"));
        System.out.println("查看sets1集合中的所有元素:"+jedis.smembers("sets1"));
        System.out.println("查看sets2集合中的所有元素:"+jedis.smembers("sets2"));
        System.out.println("sets1和sets2交集："+jedis.sinter("sets1", "sets2"));
        System.out.println("sets1和sets2并集："+jedis.sunion("sets1", "sets2"));
        System.out.println("sets1和sets2差集："+jedis.sdiff("sets1", "sets2"));//差集：set1中有，set2中没有的元素
    }
    
    private void SortedSetOperate(){
    	
    	System.out.println("======================zset=========================="); 
        // 清空数据 
        System.out.println(jedis.flushDB()); 
        
        System.out.println("=============增=============");
        System.out.println("zset中添加元素element001："+shardedJedis.zadd("zset", 7.0, "element001")); 
        System.out.println("zset中添加元素element002："+shardedJedis.zadd("zset", 8.0, "element002")); 
        System.out.println("zset中添加元素element003："+shardedJedis.zadd("zset", 2.0, "element003")); 
        System.out.println("zset中添加元素element004："+shardedJedis.zadd("zset", 3.0, "element004"));
        System.out.println("zset集合中的所有元素："+shardedJedis.zrange("zset", 0, -1));//按照权重值排序
        System.out.println();
        
        System.out.println("=============删=============");
        System.out.println("zset中删除元素element002："+shardedJedis.zrem("zset", "element002"));
        System.out.println("zset集合中的所有元素："+shardedJedis.zrange("zset", 0, -1));
        System.out.println();
        
        System.out.println("=============改=============");
        System.out.println();
        
        System.out.println("=============查=============");
        System.out.println("统计zset集合中的元素中个数："+shardedJedis.zcard("zset"));
        System.out.println("统计zset集合中权重某个范围内（1.0——5.0），元素的个数："+shardedJedis.zcount("zset", 1.0, 5.0));
        System.out.println("查看zset集合中element004的权重："+shardedJedis.zscore("zset", "element004"));
        System.out.println("查看下标1到2范围内的元素值："+shardedJedis.zrange("zset", 1, 2));
    }
    
    private void HashOperate(){
    	
    	System.out.println("======================hash==========================");
        //清空数据 
        System.out.println(jedis.flushDB()); 
        
        System.out.println("=============增=============");
        System.out.println("hashs中添加key001和value001键值对："+shardedJedis.hset("hashs", "key001", "value001")); 
        System.out.println("hashs中添加key002和value002键值对："+shardedJedis.hset("hashs", "key002", "value002")); 
        System.out.println("hashs中添加key003和value003键值对："+shardedJedis.hset("hashs", "key003", "value003"));
        System.out.println("新增key004和4的整型键值对："+shardedJedis.hincrBy("hashs", "key004", 4l));
        System.out.println("hashs中的所有值："+shardedJedis.hvals("hashs"));
        System.out.println();
        
        System.out.println("=============删=============");
        System.out.println("hashs中删除key002键值对："+shardedJedis.hdel("hashs", "key002"));
        System.out.println("hashs中的所有值："+shardedJedis.hvals("hashs"));
        System.out.println();
        
        System.out.println("=============改=============");
        System.out.println("key004整型键值的值增加100："+shardedJedis.hincrBy("hashs", "key004", 100l));
        System.out.println("hashs中的所有值："+shardedJedis.hvals("hashs"));
        System.out.println();
        
        System.out.println("=============查=============");
        System.out.println("判断key003是否存在："+shardedJedis.hexists("hashs", "key003"));
        System.out.println("获取key004对应的值："+shardedJedis.hget("hashs", "key004"));
        System.out.println("批量获取key001和key003对应的值："+shardedJedis.hmget("hashs", "key001", "key003")); 
        System.out.println("获取hashs中所有的key："+shardedJedis.hkeys("hashs"));
        System.out.println("获取hashs中所有的value："+shardedJedis.hvals("hashs"));
        System.out.println();
    }
}
